The table below shows some values of x and the corresponding values of y, correct to 1 decimal
8.
3
place, where y = x-
X
0.5
1
2
3
4.
5
6
.
-5.5
-2
0.5
h
3.3
4.4
k
у
(a) Find the value of h and k.
(b) Using a scale of 2 cm to represent 1 unit on
both axes, draw the graph of y = x -
3
for
0.5 <x<6.
(c) Use your graph to find
the value of y when x = 1.6,
(ii) the value of x when y = -2.5.